Three tier cooling rack



FIG. 1 is a front perspective view of a three tier cooling rack showing my new design;

FIG. 2 is a front view of the three tier cooling rack;

FIG. 3 is a view of one side of the three tier cooling rack, the opposite side being a mirror image thereof;

FIG. 4 is a view from the side of FIG. 3, illustrating the folding of the unit the arrows showing the direction in which each tier is folded; and,

FIG. 5 is a view similar to FIG. 4 illustrating the unit in folded position. 

The ornamental design for a three tier cooling rack, as shown and described. 